Home / 4,265.49-6,397.75-1,145.76

Finding the Fourth Proportional to 4,265.49, 6,397.75 and 1,145.76

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Solution

The fourth proportional to 4,265.49, 6,397.75 and 1,145.76 is: 1,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.49 : 6,397.75 = 1,145.76 : x
  2. Step 2: Convert to fraction form
    4,265.49/6,397.75 = 1,145.76/x
  3. Step 3: Cross multiply
    4,265.49x = 6,397.75 × 1,145.76
  4. Step 4: Simplify right side
    4,265.49x = 7,330,286.04
  5. Step 5: Solve for x
    x = 7,330,286.04/4,265.49
  6. Step 6: Final answer
    x = 1,718.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.